Jev PlaygroundIndependent playground
STRUCTURED DECISIONS, REAL PROBABILITIES

Jev Playground

Run the real TypeSafe Jev model online.
Test structured AI decisions — no signup required.

Real JevTypeSafe AI modelNo signup
CHOOSE AN EXAMPLE — READY TO RUN
Evaluation inputs
INPUT

Example loaded — run it as-is, or edit any field.

118 / 8,000

The context Jev will read — for example a message, record, or report.

The decision you want Jev to make. The next step defines the shape of the allowed answer.

Decision type
SELECT ONE

Jev chooses one label from your options and returns probabilities for each.

Choices4 of 10

Run the loaded example now — no changes needed.

Free to try · Usage limits apply

OUTPUTTypeSafe Jev
Your Jev decision will appear here.

Your Jev decision will appear here.

Give Jev a state and a typed question.
Run it to see the decision and probabilities.

State + QuestionJevDecision + Probability
Real model execution. No simulated answers.

Run the loaded example, then edit the inputs or choose another example to experiment.

What can Jev decide?

Give Jev context and a focused question. It returns a bounded decision and probabilities, so you can inspect a condition, choose a route, or score against a rubric.

Understand what Jev is ↗

Try a task with Jev

Browser AgentChoose a browser action from observed page elements.Citation VerifierCheck a claim against supplied source text.Email TriageRoute five editable messages to work queues.Model RouterChoose an execution lane for a task.Smart HomeTry a command against a simulated house.Ad BlockerFind and hide ads in a simulated page.Context CompactionReview what an agent history should keep.Code ReviewInspect review findings beside the original diff.Semantic SearchFind useful passages in text you paste.

Learn and build

How to use JevChoose an online, API, SDK, or Skill path.API guideStart with a typed request and response.PricingSee the current rate and estimate usage.